16599486957 has 8 divisors (see below), whose sum is σ = 22495479840. Its totient is φ = 10884909360.

The previous prime is 16599486949. The next prime is 16599486991. The reversal of 16599486957 is 75968499561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16599486957 - 2³ = 16599486949 is a prime.

It is a super-2 number, since 2×16599486957² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16599486891 and 16599486900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16599486947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45353607 + ... + 45353972.

It is an arithmetic number, because the mean of its divisors is an integer number (2811934980).

Almost surely, 2^16599486957 is an apocalyptic number.

It is an amenable number.

16599486957 is a deficient number, since it is larger than the sum of its proper divisors (5895992883).

16599486957 is an equidigital number, since it uses as much as digits as its factorization.

16599486957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90707643.

The product of its digits is 146966400, while the sum is 69.

The spelling of 16599486957 in words is "sixteen billion, five hundred ninety-nine million, four hundred eighty-six thousand, nine hundred fifty-seven".